Collapsible sun shade for chair backs



FIG. 1 is a front perspective view of the collapsible sun shade for chair backs, showing my new design in collapsed form, with the chair back of a lawn or deck chair shown in phantom and forming no part of my new design;

FIG. 2 is a front perspective view of the collapsible sun shade for chair backs, showing my new design in an extended position, with the chair back of a lawn or deck chair shown in phantom and forming no part of my new design;

FIG. 3 is a partial front view providing a more detailed drawing of the chair-back connections on one side of the collapsible sun shade for chair backs, with the rear view and both sides being the same;

FIG. 4 is a right side plan view of my new design with the two sides being the same;

FIG. 5 is a rear view in the collapsible sun shade for chair backs in extended form as shown in FIG. 2;

FIG. 6 is a bottom view of the collapsible sun shade for chair backs in extended form as shown in FIG. 2; and,

FIG. 7 is a front view of the collapsible sun shade for chair backs in extended form as shown in FIG. 2. 

The ornamental design for a collapsible sun shade for chair backs, as shown and described. 